153504-70-2 Cevimeline hydrochloride [USAN] Cevimeline hydrochloride hemihydrate Spiro(1-azabicyclo(2.2.2)octane-3,5'-(1,3)oxathiolane), 2'-methyl-, hydrochloride, hydrate (2:1), cis- cis-2-Methylspiro(1,3-oxathiolane-5,3')quinuclidine hydrochloride hydrate (2:2:1)